● The Kindaichi Case Files: Opera House Murders - Act 3 Volumes 1 & 2, Original Work by Fumiya Sato ● The Kindaichi Case Files: Prison Gate Academy Murder Case Volumes 1 & 2, Original Work by Fumiya Sato ※ There is a fold on the cover of Volume 2 of Opera House Murders - Act 3. It's hard to see in the photo, but it's a crease where the cover was folded in half vertically.